20639952

素因数分解:

$2^4\times 3^2\times {\mathrm{143333}}^1$

素因数の和:143347

約数の個数: 30

約数和(自身を含む): 57763602

約数和(自身を除く): 37123650

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143333, 286666, 429999, 573332, 859998, 1146664, 1289997, 1719996, 2293328, 2579994, 3439992, 5159988, 6879984, 10319976, 20639952]

約数ペア:

[(1, 20639952), (2, 10319976), (3, 6879984), (4, 5159988), (6, 3439992), (8, 2579994), (9, 2293328), (12, 1719996), (16, 1289997), (18, 1146664), (24, 859998), (36, 573332), (48, 429999), (72, 286666), (144, 143333)]